20123013301212 has 96 divisors (see below), whose sum is σ = 47441885299200. Its totient is φ = 6638326486272.

The previous prime is 20123013301189. The next prime is 20123013301217. The reversal of 20123013301212 is 21210331032102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123013301217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627670839 + ... + 627702897.

It is an arithmetic number, because the mean of its divisors is an integer number (494186305200).

Almost surely, 2^{20123013301212} is an apocalyptic number.

It is an amenable number.

20123013301212 is an abundant number, since it is smaller than the sum of its proper divisors (27318871997988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123013301212 is a wasteful number, since it uses less digits than its factorization.

20123013301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33595 (or 33593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123013301212 its reverse (21210331032102), we get a palindrome (41333344333314).

The spelling of 20123013301212 in words is "twenty trillion, one hundred twenty-three billion, thirteen million, three hundred one thousand, two hundred twelve".